Compare(x, y)
			}
		})
	}
}

func BenchmarkIndexAnyASCII(b *testing.B) {
	x := Repeat([]byte{'#'}, 2048) // Never matches set
	cs := "0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz"
	for k := 1; k <= 2048; k <<= 4 {
		for j := 1; j <= 64; j <<= 1 {
			b.Run(fmt.Sprintf("%d:%d", k, j), func(b *testing.B) {
				for i := 0; i < b.N; i++ {